/*
 * Copyright 2022 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef skgpu_graphite_TextureUtils_DEFINED
#define skgpu_graphite_TextureUtils_DEFINED

#include "include/core/SkImage.h"
#include "include/core/SkRefCnt.h"
#include "include/gpu/GpuTypes.h"
#include "src/gpu/graphite/TextureProxyView.h"

#include <functional>
#include <tuple>
#include <utility>

class SkBitmap;
enum SkColorType : int;
class SkImage;
struct SkImageInfo;
struct SkSamplingOptions;

namespace skgpu::graphite {
class Caps;
class Context;
class Recorder;
class TextureProxyView;

// Create TextureProxyView and SkColorType pair using pixel data in SkBitmap,
// adding any necessary copy commands to Recorder
std::tuple<TextureProxyView, SkColorType> MakeBitmapProxyView(Recorder *, const SkBitmap &, sk_sp<SkMipmap>, Mipmapped,
    skgpu::Budgeted);

sk_sp<SkImage> MakeFromBitmap(Recorder *, const SkColorInfo &, const SkBitmap &, sk_sp<SkMipmap>, skgpu::Budgeted,
    SkImage::RequiredProperties);

size_t ComputeSize(SkISize dimensions, const TextureInfo &);

sk_sp<SkImage> RescaleImage(Recorder *, const SkImage *srcImage, SkIRect srcIRect, const SkImageInfo &dstInfo,
    SkImage::RescaleGamma rescaleGamma, SkImage::RescaleMode rescaleMode);

bool GenerateMipmaps(Recorder *, sk_sp<TextureProxy>, const SkColorInfo &);

std::tuple<skgpu::graphite::TextureProxyView, SkColorType> AsView(Recorder *, const SkImage *, skgpu::Mipmapped);

std::pair<sk_sp<SkImage>, SkSamplingOptions> GetGraphiteBacked(Recorder *, const SkImage *, SkSamplingOptions);

// Return the color format used for coverage mask textures that are rendered by a GPU
// compute program.
SkColorType ComputeShaderCoverageMaskTargetFormat(const Caps *);
} // namespace skgpu::graphite

namespace skif {
class Backend;

sk_sp<Backend> MakeGraphiteBackend(skgpu::graphite::Recorder *recorder, const SkSurfaceProps &, SkColorType);
} // namespace skif

#endif // skgpu_graphite_TextureUtils_DEFINED
